Q45 V8-4494cc 4.5L DOHC (VH45) (1992)
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Fuel Pump Control Unit: Testing and Inspection
Fuel Pump Control Unit Test
1. Turn off engine and disconnect fuel pump control unit harness connector.
2. Connect proper wires between the fuel pump control unit harness terminals.
Fuel Pump Control Unit Test
3. Start engine and check voltage between terminal 7 and terminal 4 on fuel pump control unit AS SHOWN IN IMAGE. Voltage varies when
different terminals are jumped.
4. If NO GOOD, replace fuel pump control unit.
